Handle-bar.



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:ERNEST JOSEPH CORTINVES, 0F DALLAS, TEXAS.

HANDL -Bait. I

To-aZZ whom it may concern Be it knownthat I, ERNEST J. CoR'rmEs, acitizen of the United States, and a resident ofDallas, inthecgiunty ofDallas and,

State of Texas, have.-iI 1V ented a new and Improved Handle-Bar, ofwhich thefollowingv is afull, clear, and exactdescription.

My invention relates more particularly to handle bars .for bicyclesadjustable on the screw stem, so as to dispose the handles in differentpositions. A

These handle. bars. have beenmade rigid with each other, and also havebeenmadeadjustable, relatively to each other, adjustable connectionbeing usually effected in the type of handle to which the inventionrelates,'between the handle barforging and a lateral arm on the stem. aj

The connecting means between the handle bar forging and the stem in acertain type includes an annular series of radial mating teeth on thestem arm and bar. The large number of teeth has been relied upon to holdthe handle bar in adjusted position, and in practice a slight looseningof the nut which holds the parts together results in a loosening of thehandle bar, which is attended with considerable danger when under highspeed. In the case of a handle bar with arms adjustable to vary theirangular posi tion relatively to each other, care and skill are requiredto secure each arm at the same angle.

My invention contemplates a handle barin which the arms are in rigidrelation to 7 each other, and to the forging, and the adjustmentprovided for is the bodily reversal of the handle bar on the stem arm,so that the handle arms may curve upwardly or downwardly. To secure thehandle bar to the arm of the stem, instead of employing annular seriesof shallow radial teeth, I provide mating rib and groove members onasingle line, positioned to inter engage in either of the positions ofthe handle bar, so

, that only the correct adjustment can be made,, and the rib andgrooveconnection is of a depth to hold the handle bar against a turningmovement, even though the binding nut should become loose to a slightdegree.

The invention will. be particularly explained in the specificdescription following. Reference is had to the accompanying drawingsforming part of this specification,

in which similar characters of reference in- PatentedMay 18', 1915.

I Application filed December 24, 1914. Serial 0.8 78303.

dicate corresponding parts in all theviews, and inwhich: V

Figure 1 is a vertical section of the'handle bar .and stem; Fig.2 israplan viewof the handle bar forging and stem, the handle bar arms beingomitted, Fig. .3 is arear view of the handle bar forging; Fig. 4: isaffront view of .thehandle. bar slight modification; Fig. 5 is a frontview on a reduced scale of the handle bar andits forging, and the stemwith the forging in the form shown in Figs. 2 and 3; Fig. 6 is a viewvsimilar toFig. 5, but showing the han-. dle bar forging of the typeshown in Fig.4; and Fig. 7 is a view similar to Fig. 6,- show ingfurther slight. modification.

In carrying outmy-invention, in accordance with the illustrated example,the stem 10 may be, for the most part, of known form, secured by theusual,-stem;b0lt l1, and having the laterally extending arm 121:0 carrythe handle bar. The outer end 13 ofthe arm forging showing a i 12 isreduced to receive the handle bar forging 14, there being a shoulder 13of said reduced end. 7

The forging 14 has integral sockets 15 to receive the oppositelyextending arms 16 in i the usual manner. The forging lihas a bore 17 tofit over the reduced end 13, and said reduced end is threaded to receivethe usual nut 18 and washer 19, which in prac tice is a spring washer.Instead of the usual radial series of mating teeth on the shoulder 13and on the rear face of the forging 1 4, tofinterlock for holding thehandle bar in adjusted position, I form in the said shoulder upper andlower groove members 20, which aline with each other above and below thereduced end 13. Similarly, on the rear face of the forgat the base ing14: I form vertical rib elements 21, the

line position, and in both instances the single line of interlockingpositively deter: mines the adjustment. of the handle bar, so

that the turning home of the nut 18 serves to firmly hold the handle barin position.

In the form shown in Fig. 3 the sockets 15 extend in a horizontal line,While in the form shown in Figs. 4 and 6 the handle bar forging ll isformed with sockets 15 at an inclination to the horizontal, so thathandle bar arms 16 (Fig. 6) will be correspondingly positioned. Theforging 14 and the handle bar arm may be reversed from the full lineposition to that shown in dotted lines Fig. 6. In Fig. 6 also the arms16 are shown as having a greater curve than the arms 16. In the formshown in Fig. 7 the handle bar forging 14? has sockets 15 inclinedsomewhat similarly to the sockets 15 and I have shown in this figurehandles 16 varied in curvature from the arms in the other figures. Thereversal of the forging 14* serves to dispose the handle bar from theposition shown in full lines to that indicated in dotted lines.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent; is:

In a device of the character described, a handle bar, a securing stemtherefor, and means to confine the handle bar to one of the twopositions on the stem and rigidly secure the same, said stem having anarm terminating in a reduced threaded end and presenting a shoulder atthe base of the threaded end, the said handle bar having a central rigidforging formed with a transverse bore fitting the threaded end of thestem arm, and rigid handle arms integral with the forging at oppositesides, said forging having on its rear face, on a single line. V-shapedrib elements disposed in alinement with each other at diametricallyopposite sides of the bar, the shoulder of the stem having thereoncorresponding V-shaped groove members disposed in alinement atdiametrically opposite sides of the threaded end of the said stem arm;together with means to clamp the handle bar on the stem arm with the ribelements engaged in the groove members.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

ERNEST JOSEPH CORTINES.

\Vitnesses:

WALTER L. SYKEs, J. S. TAYLOE, Jr.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. G.

